aza-morita—baylis—hillman reaction of ethyl (arylimino)acetate with methyl vinyl ketone and...

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2007 Aminocarboxylic acids (hydrazinocarboxylic acids) and esters Q 0440 Aza-Morita—Baylis—Hillman Reaction of Ethyl (Arylimino)acetate with Methyl Vinyl Ketone and Ethyl Vinyl Ketone. — Optimized conditions are evaluated for the title reaction. In the presence of DABCO, adducts of type (III) are obtained while in the presence of PPh3, the isomeric adducts (IV) are formed completely selectively. — (GAO, J.; MA, G.-N.; LI, Q.-J.; SHI*, M.; Tetrahedron Lett. 47 (2006) 44, 7685-7688; State Key Lab. Organomet. Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — Mais 05- 078

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Page 1: Aza-Morita—Baylis—Hillman Reaction of Ethyl (Arylimino)acetate with Methyl Vinyl Ketone and Ethyl Vinyl Ketone

2007

200705.fm Page 86 Friday, December 22, 2006 1:49 PM

Aminocarboxylic acids (hydrazinocarboxylic acids) and estersQ 0440 Aza-Morita—Baylis—Hillman Reaction of Ethyl (Arylimino)acetate with Methyl

Vinyl Ketone and Ethyl Vinyl Ketone. — Optimized conditions are evaluated for the title reaction. In the presence of DABCO, adducts of type (III) are obtained while in the presence of PPh3, the isomeric adducts (IV) are formed completely selectively. — (GAO, J.; MA, G.-N.; LI, Q.-J.; SHI*, M.; Tetrahedron Lett. 47 (2006) 44, 7685-7688; State Key Lab. Organomet. Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — Mais

05- 078

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